Telecommunications – Radiotelephone system – Emergency or alarm communication
Reexamination Certificate
2011-03-22
2011-03-22
Mizrahi, Diane (Department: 2617)
Telecommunications
Radiotelephone system
Emergency or alarm communication
Reexamination Certificate
active
07912448
ABSTRACT:
A wireless handset for use in a peer-to-peer voice communications system comprising: a display; a keyboard comprising multifunctional keys capable of entering numeric or alphabetic characters depending on a number of key presses, said keyboard being arranged to enter contact information into a user interface displayed on said display, select contacts on the user interface, and initiate a packet data voice call with a contact; a microprocessor arranged to execute embedded client software, wherein the client software is arranged to establish a packet data voice call over the network and encode speech information as individually addressed packets; and a radio communication device arranged to transmit said individually addressed packets as radio signals from said wireless handset to a network.
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Hinrikus Taavet
Lamb Duncan
O'Loughlin Gareth
Sigurdsson Malthe
Zilmer Priidu
Hamilton Brook Smith & Reynolds P.C.
Mizrahi Diane
Skype Limited
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